JEE Main 202224 Jun, Evening shiftMathematicsMediumCoordinate Geometry478× since 2002
Let a circle C : (x h)² + (y k)² = r², k > 0, touch the x-axis at (1, 0). If the line x + y = 0 intersects the circle C at P and Q such that the length of the chord PQ is 2, then the value of h + k + r is equal to ___________.